‘Extremely toxic’: How the world’s most dangerous plants could be in your home


Symptoms in humans consist of burning of the mouth, skin irritation, swelling of lips, tongue, and throat, vomiting, and diarrhoea.

Symptoms in cats and dogs consist of drooling, choking, swelling of mouth and tongue, difficulty breathing, and stomach upset. This plant can even lead to renal failure and/or death.

Peace lily

Surprisingly, the peace lily is not a member of the Liliaceae family and therefore not a true lily. But it can be poisonous. 

Whilst it does make a great air purifier and is ideal for apartments or rooms with little light, it can cause death if ingested by either humans or animals. 

Symptoms in humans consist of burning and swelling of lips, mouth, and tongue, difficulty speaking or swallowing, vomiting, nausea, and diarrhoea.

There is some conflict here for the symptoms on cats and dogs, but symptoms recorded are burning mouth, excessive salivation, diarrhoea, dehydration, lack of appetite, and vomiting. 

If symptoms are left untreated, peace-lily poisoning could lead to renal failure.



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